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Add 21/7 and 15/64

1st number: 3 0/7, 2nd number: 15/64

21/7 + 15/64 is 207/64.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 64 is 448

    Next, find the equivalent fraction of both fractional numbers with denominator 448
  2. For the 1st fraction, since 7 × 64 = 448,
    21/7 = 21 × 64/7 × 64 = 1344/448
  3. Likewise, for the 2nd fraction, since 64 × 7 = 448,
    15/64 = 15 × 7/64 × 7 = 105/448
  4. Add the two like fractions:
    1344/448 + 105/448 = 1344 + 105/448 = 1449/448
  5. 1449/448 simplified gives 207/64
  6. So, 21/7 + 15/64 = 207/64
    In mixed form: 315/64

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